A historical English prayer collected in Prayers of the Middle Ages: Light from a Thousand Years, edited by J. Manning Potts.
Historical edition. Historical claims and instructions are preserved as historical context.
Let Thy Spirit, O Lord, come into the midst of us, and washing us with the pure water of repentance, prepare us to be always a living sacrifice unto Thee; who livest and reignest, ever world without end. Amen.